Create OOBE screen for Voice Interaction value proposition

chrome/browser/resources/chromeos/login/oobe_voice_interaction_value_prop.js

+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+/**
+ * @fileoverview Polymer element for displaying material design voice
+ * interaction value prop screen.
+ */
+
+Polymer({
+  is: 'voice-interaction-value-prop-md',
+
+  /**
+   * Returns element by its id.
+   */
+  getElement: function(id) {
+    return this.$[id];
+  },
+
+  /**
+   * On-tap event handler for no thanks button.
+   *
+   * @private
+   */
+  onNoThanksTap_: function() {
+    chrome.send('login.VoiceInteractionValuePropScreen.userActed',
+        ['no-thanks-pressed']);
+  },
+
+  /**
+   * On-tap event handler for continue button.
+   *
+   * @private
+   */
+  onContinueTap_: function() {
+    chrome.send('login.VoiceInteractionValuePropScreen.userActed',
+        ['continue-pressed']);
+  },
+});